121522007442 has 32 divisors (see below), whose sum is σ = 265156810560. Its totient is φ = 36822366720.

The previous prime is 121522007437. The next prime is 121522007483. The reversal of 121522007442 is 244700225121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1082298 + ... + 1189290.

It is an arithmetic number, because the mean of its divisors is an integer number (8286150330).

Almost surely, 2^121522007442 is an apocalyptic number.

121522007442 is an abundant number, since it is smaller than the sum of its proper divisors (143634803118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121522007442 is a wasteful number, since it uses less digits than its factorization.

121522007442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124218.

The product of its (nonzero) digits is 8960, while the sum is 30.

The spelling of 121522007442 in words is "one hundred twenty-one billion, five hundred twenty-two million, seven thousand, four hundred forty-two".